Ribbed electronic knob



FIG. 1 is a top perspective view of a ribbed electronic knob showing my new design having one rib between each pair of looped corner ribs.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a top perspective view of a second embodiment of a ribbed electronic knob showing my new design having two ribs between each pair of looped corner ribs.

FIG. 10 is a bottom perspective view thereof.

FIG. 11 is a front elevation view thereof.

FIG. 12 is a rear elevation view thereof.

FIG. 13 is a left side elevation view thereof.

FIG. 14 is a right side elevation view thereof.

FIG. 15 is a top plan view thereof.

FIG. 16 is a bottom plan view thereof.

FIG. 17 is a top perspective view of a third embodiment of a ribbed electronic knob showing my new design having three ribs between each pair of looped corner ribs.

FIG. 18 is a bottom perspective view thereof.

FIG. 19 is a front elevation view thereof.

FIG. 20 is a rear elevation view thereof.

FIG. 21 is a left side elevation view thereof.

FIG. 22 is a right side elevation view thereof.

FIG. 23 is a top plan view thereof; and,

FIG. 24 is a bottom plan view thereof. 

CLAIM The ornamental design for a ribbed electronic knob, as shown and described. 